1308 questions and answers in this section
Explain why sheets smell better after being dried in the sun.

Explain why sheets smell better after being dried in the sun.

The sun has an effective action against a large number of microorganisms present on fabrics. When sheets dry in the sun, the ultraviolet (UV) rays...

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Explain why is the city of Baia (in Italy) currently submerged under the sea?

Explain why is the city of Baia (in Italy) currently submerged under the sea?

Baia was an ultra-trendy seaside resort in ancient Rome, located on the coast of the volcanic region of the Phlegraean Fields, near Naples. Renowned for...

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Explain why some volcanic islands increase in size year after year?

Explain why some volcanic islands increase in size year after year?

Beneath the Earth's crust, the mantle, a deep semi-fluid layer located beneath our feet, is always in motion. In certain places, warm currents slowly bring...

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Explain why orange peels leave a lingering scent on your fingers?

Explain why orange peels leave a lingering scent on your fingers?

Orange peel mainly contains essential oils, responsible for their typical scent. One of the main compounds is limonene, a highly fragrant molecule that accounts for...

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Explain why is the city of Oymyakon (in Russia) one of the coldest inhabited places in the world?

Explain why is the city of Oymyakon (in Russia) one of the coldest inhabited places in the world?

Oymyakon is located in the northeast of Siberia, deep in Yakutia, one of the most remote and isolated regions of Russia. This secluded area is...

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Explain why does the city of New Delhi (in India) experience extreme levels of pollution?

Explain why does the city of New Delhi (in India) experience extreme levels of pollution?

In New Delhi, a large portion of air pollution comes from road traffic. The city is filled with vehicles, many of which run on diesel, particularly harmful,...

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Explain why does the city of Norilsk (in Russia) sometimes see its snow turn black?

Explain why does the city of Norilsk (in Russia) sometimes see its snow turn black?

Norilsk is located beyond the Arctic Circle, in the heart of Siberia. It is the second largest city in a polar region, after Murmansk, and...

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Explain why is the town of Wittenoom (in Australia) considered toxic and abandoned?

Explain why is the town of Wittenoom (in Australia) considered toxic and abandoned?

By the 1930s, Wittenoom became famous for mining blue asbestos (also known as crocidolite). Mining activities escalated in the 1940s and peaked in the 1950s, making the...

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Explain why is the town of Kolmanskop (in Namibia) being engulfed by sand?

Explain why is the town of Kolmanskop (in Namibia) being engulfed by sand?

Kolmanskop was born in the early 1900s when the area was a German colony called German South West Africa. In 1908, a railway employee named...

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Explain why are the hot springs in Yellowstone of different colors?

Explain why are the hot springs in Yellowstone of different colors?

The crazy colors of the hot springs in Yellowstone are often due to the presence of living microbes: bacteria, archaea, and microscopic algae, capable of...

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